Palindrome
Checks if the given string is a palindrome.
- Use
str.lower()
andre.sub()
to convert to lowercase and remove non-alphanumeric characters from the given string. - Then, compare the new string with its reverse, using slice notation.
from re import sub def palindrome(s): s = sub('[\W_]', '', s.lower()) return s == s[::-1] palindrome('taco cat') # True